1. Dualmode wireless mouse (Bluetooth 5.1 USB 2.4 GHz): This dualmode wireless mouse enables seamless switching between two devices with a single mouse. It can connect to one device via Bluetooth and another via a 2.4GHz USB receiver. Note: Bluetooth mode and 2.4G mode cannot be used simultaneously. 2. Compatibility: The 2.4 GHz mode is compatible with laptops, desktops, or other devices equipped with a USB or TypeC port. Simply plug in the USB receiver for instant use. Bluetooth mode supports Windows/Android/Mac OS systems. Note: BT5.1 system requirements: Windows 8.0, Windows 10 or later; macOS X 10.10 or later; iPadOS 13 or later/Android 5.0 or later. Please verify or update your operating system before use. 3. Rechargeable and energysaving design: The mouse features a safe, durable builtin battery and includes a charging cable, eliminating the need for battery replacement. Equipped with automatic energysaving technology, the mouse enters sleep mode after 10 minutes of inactivity to conserve power for extended use. Click any button to wake it up. 4. Quiet click and adjustable quick response function: The mute switch design for the left and right buttons reduces noise by 90%, making it ideal for offices, libraries, and other quiet environments. Three adjustable DPI levels (1000, 1200, and 1600) cater to different needs.